“Owl Nebula”的概念、定义、翻译、参考文献-科学参考

单词	Owl Nebula
释义	Owl Nebula Encyclopedia 理学行星状星云释 Owl Nebula夜枭星云位于大熊星座的一个比较复杂的行星状星云。星表中的编号为M97和NGC3587。距离地球2030光年（621秒差距），视星等为9.9，年龄约8千年。又称猫头鹰星云。 Astronomy Owl Nebula夜枭星云
随便看	British Atomic Energy Research Establishment British Board of Film Classification British Book Awards British Broadcasting Corporation British cement British Charter Literature British cinema British civil service system British Colonial Expansion British Colonies in North America British Columbia Plateau British Columbia Province British Communications Office British Communist Party Historians’ Group British Conservative Party British Constitutional Monarchy British Copyright Council British Council British council housing British Design & Art Direction Awards British Dinorwic pumped-storage power station British disease British drama British East Africa British East Africa Protectorate

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